Kordasiewicz Holly B. — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Kordasiewicz Holly B. has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $4.50M.

Profile

Holly B. Kordasiewicz serves as Executive Vice President and Chief Development Officer of Ionis Pharmaceuticals. In this role, she oversees Ionis' development strategy for antisense therapies and leads the company's clinical development initiatives. An SEC filing dated 2026-01-21 lists her as an insider with Ionis and notes no reported purchases or sales in that filing period.

Board memberships

• Ionis Pharmaceuticals

Awards & honors

• Oversees Ionis' development programs for antisense therapies
• Guides the strategic development pipeline across cardiovascular, neurological, and rare diseases
• Leads cross-functional efforts in advancing Ionis' clinical development goals

Recent Transactions

Companies — Last 90 Days

• IONIS PHARMACEUTICALS INC (IONS) — 2 filings, last 2026-07-09

Frequently Asked Questions

Who is Kordasiewicz Holly B.?

Holly B. Kordasiewicz serves as Executive Vice President and Chief Development Officer of Ionis Pharmaceuticals. In this role, she oversees Ionis' development strategy for antisense therapies and leads the company's clinical development initiatives. An SEC filing dated 2026-01-21 lists her as an insider with Ionis and notes no reported purchases or sales in that filing period.…

How many SEC Form 4 filings has Kordasiewicz Holly B. submitted recently?

2 primary Form 4 filings in the last 90 days, covering 1 company.

Has Kordasiewicz Holly B. been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 3 open-market sales ($4.50M) across all tracked filings.

Where can I see all of Kordasiewicz Holly B.'s SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

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